125140023 has 24 divisors (see below), whose sum is σ = 190819200. Its totient is φ = 78808464.

The previous prime is 125140021. The next prime is 125140063. The reversal of 125140023 is 320041521.

It is not a de Polignac number, because 125140023 - 2¹ = 125140021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125139978 and 125140005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125140021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74236 + ... + 75902.

It is an arithmetic number, because the mean of its divisors is an integer number (7950800).

Almost surely, 2^125140023 is an apocalyptic number.

125140023 is a deficient number, since it is larger than the sum of its proper divisors (65679177).

125140023 is a wasteful number, since it uses less digits than its factorization.

125140023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2131 (or 2128 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 125140023 is about 11186.6001537554. The cubic root of 125140023 is about 500.1866276649.

Adding to 125140023 its reverse (320041521), we get a palindrome (445181544).

The spelling of 125140023 in words is "one hundred twenty-five million, one hundred forty thousand, twenty-three".